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Astronauts use a simple pendulum consisting of a bob with a mass of 1.1 kg and a
massless string. When the length of the string is 0.8 meters, the time for 13
oscillations is measured to be 14.5 seconds. If that is an accurate measurement,
what amount of time should they measure for 13 oscillations when the length of
the string is 1.9 meters?

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